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Tags: Switching Power Supply, Regulated Switching, 12V Power Supply, 500mA Power Supply, DC Switching, Switching Module, Power Supply Module, AC to DC Converter
Description:A switching power supply takes an AC input, but rectifies and filters into DC first, is converted back into AC at some high switching frequency, steps down the voltage with a transformer, then is rectified and filtered into a DC output.Switching AC-DC converters utilize a switching regulator to control the conversion of electrical power in the most efficient way possible.While there are two main types of regulated power supplies (Switching and Linear), switching AC to DC power supplies are comparatively more reliable and efficient than linear AC to DC converters.The main advantage of the switching power supply is greater efficiency than linear regulators because the switching transistor dissipates little power when acting as a switch.Other advantages include smaller size, lower noise, and lighter weight from the elimination of heavy line-frequency transformers, and comparable heat generation. Standby power loss is often much less than transformers. The transformer in a switching power supply is also smaller than a traditional line frequency (50 Hz or 60 Hz depending on region) transformer, and therefore requires smaller amounts of expensive raw materials, like copper.
Features:Input Voltage: 100V ~ 240V AC (50~60Hz)Output Voltage: 12V DCOutput Current: 500mAModulation Method: Pulse-width modulationTemperature Coefficient: ± 0.02%℃Start-up Time: <1sOutput Ripple & Noise: 100mVp-pOutput Voltage Accuracy: 95%Working Temperature: 0℃ ~ +50℃Storage Temperature: -20℃ ~ +85℃Size: 50mm x 34mm x 15mm
Package Include:10 x 12V 500mA Switching Power Supply Module
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